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#ifndef DataViewFactorInformation_hh_INCLUDED
#define DataViewFactorInformation_hh_INCLUDED

// ObjexxFCL Headers
#include <ObjexxFCL/Array1D.hh>
#include <ObjexxFCL/Array2D.hh>

// EnergyPlus Headers
#include <EnergyPlus/Data/BaseData.hh>
#include <EnergyPlus/DataGlobals.hh>
#include <EnergyPlus/EnergyPlus.hh>

namespace EnergyPlus {

namespace DataViewFactorInformation {

    struct EnclosureViewFactorInformation
    {
        // Members
        std::string Name;                    // Enclosure name
        std::vector<std::string> spaceNames; // Space names which are part of this enclosure
        std::vector<int> spaceNums;          // Spaces which are part of this enclosure
        int NumOfSurfaces = 0;               // Number of surfaces in the enclosure
        Array2D<Real64> F;                   // View Factors: F(i,j) = from surface j to surface i (counter-intuitive, but optimized for performance)
        Array2D<Real64> ScriptF;             // Hottel's Script F //Tuned Transposed
        Array1D<Real64> Area;                // Surface area
        Array1D<Real64> Emissivity;          // Surface emissivity
        Array1D<Real64> Azimuth;             // Azimuth angle of the surface (in degrees)
        Array1D<Real64> Tilt;                // Tilt angle of the surface (in degrees)
        Array1D<Real64> FMRT;                // Mean Radiant Temperature "View Factor" used in Carroll method
        Array1D<Real64> Fp;                  // F' (Oppenheim surface resistance used in Carroll method)
        Array1D_int SurfacePtr;              // Surface number for surfaces in this enclosure
        std::vector<int> SurfaceReportNums;  // Enclosure surface numbers for reporting view factors in old order (sub-surfaces follow base surfaces)
        Real64 FloorArea = 0.0;              // Floor area of zone(s) in enclosure
        Real64 ExtWindowArea = 0.0;          // Exterior window area
        Real64 TotalSurfArea = 0.0;          // Total surface area
        Array1D<Real64> SolAbsorptance;      // Surface solar absorptance
        int TotalEnclosureDaylRefPoints = 0; // Total number of daylighting reference points in enclosure
        bool HasInterZoneWindow = false;     // Interzone Window(s) present in this zone
        Real64 solVMULT = 0.0;               // 1/(Sum Of Inside Surfaces Area*Absorptance)
        Real64 radQThermalRad = 0.0;         // TOTAL THERMAL RADIATION ADDED TO Radiant Enclosure
        Real64 radThermAbsMult = 0.0;        // EnclRadThermAbsMult  - MULTIPLIER TO COMPUTE 'ITABSF'
        bool solAbsFirstCalc = true;         // for error message
        bool radReCalc = false; // Enclosure solar or thermal radiation properties need recalc due to window/shading status change or envelope EMS
                                // actuators present
        Real64 sumAE = 0.0;     // Sum of surface area * emissivity for all surfaces in the enclosure
        Real64 sumAET = 0.0;    // Sum of surface area * emissivity * temperature for all surfaces in the enclosure
        Real64 MRT = 0.0;       // Mean radiant temperature of the enclosure
        bool reCalcMRT = false; // True when MRT needs to be recalculated
    };

} // namespace DataViewFactorInformation

struct ViewFactorInfoData : BaseGlobalStruct
{

    int NumOfRadiantEnclosures = 0; // Number of radiant enclosures
    int NumOfSolarEnclosures = 0;   // Number of solar enclosures
    EPVector<DataViewFactorInformation::EnclosureViewFactorInformation> EnclRadInfo;
    EPVector<DataViewFactorInformation::EnclosureViewFactorInformation> EnclSolInfo;

    void init_constant_state([[maybe_unused]] EnergyPlusData &state) override
    {
    }

    void init_state([[maybe_unused]] EnergyPlusData &state) override
    {
    }

    void clear_state() override
    {
        NumOfRadiantEnclosures = 0;
        NumOfSolarEnclosures = 0;
        EnclRadInfo.clear();
        EnclSolInfo.clear();
    }
};

} // namespace EnergyPlus

#endif
